<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Form</title>
</head>
<body>
<!--表单
form-->
<form>
    用户名:<input><br>
    密码:<input type="password"><br>

    爱好:
    <input type="checkbox">吃饭
    <input type="checkbox">睡觉
    <input type="checkbox">打代码
    <br>
    性别:
    <input type="radio" checked name="sex">男
    <input type="radio" name="sex">女
    <br>
    想说的话:
    <textarea>

    </textarea>
    <br>
    <input type="submit">
</form>
</body>

</html>